Try: 1. e8=Q [B] ?+

 1. ... Kxc7 [b]  2. Qe7, Qf4/h2/g3#

  But 1. ... Kxe8! 

 

Try: 1. Rf5? waiting

 1. ... Ke6 [a]  2. Bc8 [A] #

 1. ... Ke8 2. Bc6#

  But 1. ... Kxc7 [b] ! 

 

Try: 1. Rd5?+

 1. ... Kxc7 [b]  2. e8=S [E] , Qf4/h2/g3#

 1. ... Ke6 [a]  2. e8=Q [B] #

  But 1. ... Ke8! 

 

Try: 1. Rc5? waiting

 1. ... Ke6 [a]  2. e8=Q [B] #

  But 1. ... Ke8! 

 

Try: 1. Qe4? waiting

 1. ... Kxc7 [b]  2. Qc6 [C] #

  But 1. ... Ke8! 

 

Try: 1. Qh8? waiting

 1. ... Kxc7 [b]  2. Qd8 [D] #

 1. ... Ke6 [a]  2. e8=Q [B] #

  But 1. ... Kxe7! 

 

Solution: 1. Rg7! waiting

 1. ... Kxc7 [b]  2. e8=S [E] #

 1. ... Ke6 [a]  2. Bc8 [A] #

 1. ... Ke8 2. Bc6#

Fuite en Y

Echec double

Batterie blanche

Promotion

Mats (suites) changé(e)s

Mat (suite) changé(e) au moins 2 fois

Option

Clé désampliative